5 #include <pseh/pseh2.h>
7 #define CACHEPAGESIZE(pDeviceExt) \
8 ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
9 (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
11 #define TAG_NTFS 'SFTN'
13 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
14 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
16 #define DEVICE_NAME L"\\Ntfs"
19 typedef struct _BIOS_PARAMETERS_BLOCK
21 USHORT BytesPerSector
; // 0x0B
22 UCHAR SectorsPerCluster
; // 0x0D
23 UCHAR Unused0
[7]; // 0x0E, checked when volume is mounted
24 UCHAR MediaId
; // 0x15
25 UCHAR Unused1
[2]; // 0x16
26 USHORT SectorsPerTrack
; // 0x18
28 UCHAR Unused2
[4]; // 0x1C
29 UCHAR Unused3
[4]; // 0x20, checked when volume is mounted
30 } BIOS_PARAMETERS_BLOCK
, *PBIOS_PARAMETERS_BLOCK
;
32 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
34 USHORT Unknown
[2]; // 0x24, always 80 00 80 00
35 ULONGLONG SectorCount
; // 0x28
36 ULONGLONG MftLocation
; // 0x30
37 ULONGLONG MftMirrLocation
; // 0x38
38 CHAR ClustersPerMftRecord
; // 0x40
39 UCHAR Unused4
[3]; // 0x41
40 CHAR ClustersPerIndexRecord
; // 0x44
41 UCHAR Unused5
[3]; // 0x45
42 ULONGLONG SerialNumber
; // 0x48
43 UCHAR Checksum
[4]; // 0x50
44 } EXTENDED_BIOS_PARAMETERS_BLOCK
, *PEXTENDED_BIOS_PARAMETERS_BLOCK
;
46 typedef struct _BOOT_SECTOR
48 UCHAR Jump
[3]; // 0x00
49 UCHAR OEMID
[8]; // 0x03
50 BIOS_PARAMETERS_BLOCK BPB
;
51 EXTENDED_BIOS_PARAMETERS_BLOCK EBPB
;
52 UCHAR BootStrap
[426]; // 0x54
53 USHORT EndSector
; // 0x1FE
54 } BOOT_SECTOR
, *PBOOT_SECTOR
;
57 //typedef struct _BootSector BootSector;
59 typedef struct _NTFS_INFO
62 ULONG SectorsPerCluster
;
63 ULONG BytesPerCluster
;
64 ULONGLONG SectorCount
;
65 ULONGLONG ClusterCount
;
66 ULARGE_INTEGER MftStart
;
67 ULARGE_INTEGER MftMirrStart
;
68 ULONG BytesPerFileRecord
;
69 ULONG BytesPerIndexRecord
;
71 ULONGLONG SerialNumber
;
72 USHORT VolumeLabelLength
;
73 WCHAR VolumeLabel
[MAXIMUM_VOLUME_LABEL_LENGTH
];
78 ULONG MftZoneReservation
;
79 } NTFS_INFO
, *PNTFS_INFO
;
81 #define NTFS_TYPE_CCB '20SF'
82 #define NTFS_TYPE_FCB '30SF'
83 #define NTFS_TYPE_VCB '50SF'
84 #define NTFS_TYPE_IRP_CONTEST '60SF'
85 #define NTFS_TYPE_GLOBAL_DATA '70SF'
91 } NTFSIDENTIFIER
, *PNTFSIDENTIFIER
;
95 NTFSIDENTIFIER Identifier
;
97 ERESOURCE DirResource
;
98 // ERESOURCE FatResource;
100 KSPIN_LOCK FcbListLock
;
101 LIST_ENTRY FcbListHead
;
104 PDEVICE_OBJECT StorageDevice
;
105 PFILE_OBJECT StreamFileObject
;
107 struct _NTFS_ATTR_CONTEXT
* MFTContext
;
108 struct _FILE_RECORD_HEADER
* MasterFileTable
;
109 struct _FCB
*VolumeFcb
;
113 } DEVICE_EXTENSION
, *PDEVICE_EXTENSION
, NTFS_VCB
, *PNTFS_VCB
;
117 NTFSIDENTIFIER Identifier
;
119 PFILE_OBJECT PtrFileObject
;
120 LARGE_INTEGER CurrentByteOffset
;
121 /* for DirectoryControl */
123 /* for DirectoryControl */
124 PWCHAR DirectorySearchPattern
;
127 } NTFS_CCB
, *PNTFS_CCB
;
129 #define TAG_CCB 'BCCI'
133 NTFSIDENTIFIER Identifier
;
135 PDRIVER_OBJECT DriverObject
;
136 PDEVICE_OBJECT DeviceObject
;
137 CACHE_MANAGER_CALLBACKS CacheMgrCallbacks
;
139 } NTFS_GLOBAL_DATA
, *PNTFS_GLOBAL_DATA
;
144 AttributeStandardInformation
= 0x10,
145 AttributeAttributeList
= 0x20,
146 AttributeFileName
= 0x30,
147 AttributeObjectId
= 0x40,
148 AttributeSecurityDescriptor
= 0x50,
149 AttributeVolumeName
= 0x60,
150 AttributeVolumeInformation
= 0x70,
151 AttributeData
= 0x80,
152 AttributeIndexRoot
= 0x90,
153 AttributeIndexAllocation
= 0xA0,
154 AttributeBitmap
= 0xB0,
155 AttributeReparsePoint
= 0xC0,
156 AttributeEAInformation
= 0xD0,
158 AttributePropertySet
= 0xF0,
159 AttributeLoggedUtilityStream
= 0x100,
160 AttributeEnd
= 0xFFFFFFFF
161 } ATTRIBUTE_TYPE
, *PATTRIBUTE_TYPE
;
163 #define NTFS_FILE_MFT 0
164 #define NTFS_FILE_MFTMIRR 1
165 #define NTFS_FILE_LOGFILE 2
166 #define NTFS_FILE_VOLUME 3
167 #define NTFS_FILE_ATTRDEF 4
168 #define NTFS_FILE_ROOT 5
169 #define NTFS_FILE_BITMAP 6
170 #define NTFS_FILE_BOOT 7
171 #define NTFS_FILE_BADCLUS 8
172 #define NTFS_FILE_QUOTA 9
173 #define NTFS_FILE_UPCASE 10
174 #define NTFS_FILE_EXTEND 11
176 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
178 #define COLLATION_BINARY 0x00
179 #define COLLATION_FILE_NAME 0x01
180 #define COLLATION_UNICODE_STRING 0x02
181 #define COLLATION_NTOFS_ULONG 0x10
182 #define COLLATION_NTOFS_SID 0x11
183 #define COLLATION_NTOFS_SECURITY_HASH 0x12
184 #define COLLATION_NTOFS_ULONGS 0x13
186 #define INDEX_ROOT_SMALL 0x0
187 #define INDEX_ROOT_LARGE 0x1
189 #define NTFS_INDEX_ENTRY_NODE 1
190 #define NTFS_INDEX_ENTRY_END 2
192 #define NTFS_FILE_NAME_POSIX 0
193 #define NTFS_FILE_NAME_WIN32 1
194 #define NTFS_FILE_NAME_DOS 2
195 #define NTFS_FILE_NAME_WIN32_AND_DOS 3
197 #define NTFS_FILE_TYPE_READ_ONLY 0x1
198 #define NTFS_FILE_TYPE_HIDDEN 0x2
199 #define NTFS_FILE_TYPE_SYSTEM 0x4
200 #define NTFS_FILE_TYPE_ARCHIVE 0x20
201 #define NTFS_FILE_TYPE_REPARSE 0x400
202 #define NTFS_FILE_TYPE_COMPRESSED 0x800
203 #define NTFS_FILE_TYPE_DIRECTORY 0x10000000
207 ULONG Type
; /* Magic number 'FILE' */
208 USHORT UsaOffset
; /* Offset to the update sequence */
209 USHORT UsaCount
; /* Size in words of Update Sequence Number & Array (S) */
210 ULONGLONG Lsn
; /* $LogFile Sequence Number (LSN) */
211 } NTFS_RECORD_HEADER
, *PNTFS_RECORD_HEADER
;
213 /* NTFS_RECORD_HEADER.Type */
214 #define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
215 #define NRH_INDX_TYPE 0x58444E49 /* 'INDX' */
218 typedef struct _FILE_RECORD_HEADER
220 NTFS_RECORD_HEADER Ntfs
;
221 USHORT SequenceNumber
; /* Sequence number */
222 USHORT LinkCount
; /* Hard link count */
223 USHORT AttributeOffset
; /* Offset to the first Attribute */
224 USHORT Flags
; /* Flags */
225 ULONG BytesInUse
; /* Real size of the FILE record */
226 ULONG BytesAllocated
; /* Allocated size of the FILE record */
227 ULONGLONG BaseFileRecord
; /* File reference to the base FILE record */
228 USHORT NextAttributeNumber
; /* Next Attribute Id */
229 USHORT Pading
; /* Align to 4 UCHAR boundary (XP) */
230 ULONG MFTRecordNumber
; /* Number of this MFT Record (XP) */
231 } FILE_RECORD_HEADER
, *PFILE_RECORD_HEADER
;
233 /* Flags in FILE_RECORD_HEADER */
235 #define FRH_IN_USE 0x0001 /* Record is in use */
236 #define FRH_DIRECTORY 0x0002 /* Record is a directory */
237 #define FRH_UNKNOWN1 0x0004 /* Don't know */
238 #define FRH_UNKNOWN2 0x0008 /* Don't know */
251 // Resident attributes
259 // Non-resident attributes
263 ULONGLONG HighestVCN
;
264 USHORT MappingPairsOffset
;
265 USHORT CompressionUnit
;
267 LONGLONG AllocatedSize
;
269 LONGLONG InitializedSize
;
270 LONGLONG CompressedSize
;
273 } NTFS_ATTR_RECORD
, *PNTFS_ATTR_RECORD
;
277 ULONGLONG CreationTime
;
278 ULONGLONG ChangeTime
;
279 ULONGLONG LastWriteTime
;
280 ULONGLONG LastAccessTime
;
282 ULONG AlignmentOrReserved
[3];
286 ULONGLONG QuotaCharge
;
289 } STANDARD_INFORMATION
, *PSTANDARD_INFORMATION
;
294 ATTRIBUTE_TYPE AttributeType
;
298 ULONGLONG StartVcn
; // LowVcn
299 ULONGLONG FileReferenceNumber
;
300 USHORT AttributeNumber
;
301 USHORT AlignmentOrReserved
[3];
302 } ATTRIBUTE_LIST
, *PATTRIBUTE_LIST
;
307 ULONGLONG DirectoryFileReferenceNumber
;
308 ULONGLONG CreationTime
;
309 ULONGLONG ChangeTime
;
310 ULONGLONG LastWriteTime
;
311 ULONGLONG LastAccessTime
;
312 ULONGLONG AllocatedSize
;
314 ULONG FileAttributes
;
320 USHORT AlignmentOrReserved
;
327 } FILENAME_ATTRIBUTE
, *PFILENAME_ATTRIBUTE
;
331 ULONG FirstEntryOffset
;
332 ULONG TotalSizeOfEntries
;
336 } INDEX_HEADER_ATTRIBUTE
, *PINDEX_HEADER_ATTRIBUTE
;
343 UCHAR ClustersPerIndexRecord
;
345 INDEX_HEADER_ATTRIBUTE Header
;
346 } INDEX_ROOT_ATTRIBUTE
, *PINDEX_ROOT_ATTRIBUTE
;
350 NTFS_RECORD_HEADER Ntfs
;
352 INDEX_HEADER_ATTRIBUTE Header
;
353 } INDEX_BUFFER
, *PINDEX_BUFFER
;
361 ULONGLONG IndexedFile
;
374 FILENAME_ATTRIBUTE FileName
;
375 } INDEX_ENTRY_ATTRIBUTE
, *PINDEX_ENTRY_ATTRIBUTE
;
384 } VOLINFO_ATTRIBUTE
, *PVOLINFO_ATTRIBUTE
;
391 } REPARSE_POINT_ATTRIBUTE
, *PREPARSE_POINT_ATTRIBUTE
;
395 NTFSIDENTIFIER Identifier
;
399 WORK_QUEUE_ITEM WorkQueueItem
;
402 PDEVICE_OBJECT DeviceObject
;
403 NTSTATUS SavedExceptionCode
;
404 } NTFS_IRP_CONTEXT
, *PNTFS_IRP_CONTEXT
;
406 typedef struct _NTFS_ATTR_CONTEXT
409 ULONGLONG CacheRunOffset
;
410 LONGLONG CacheRunStartLCN
;
411 ULONGLONG CacheRunLength
;
412 LONGLONG CacheRunLastLCN
;
413 ULONGLONG CacheRunCurrentOffset
;
414 NTFS_ATTR_RECORD Record
;
415 } NTFS_ATTR_CONTEXT
, *PNTFS_ATTR_CONTEXT
;
417 #define FCB_CACHE_INITIALIZED 0x0001
418 #define FCB_IS_VOLUME_STREAM 0x0002
419 #define FCB_IS_VOLUME 0x0004
424 NTFSIDENTIFIER Identifier
;
426 FSRTL_COMMON_FCB_HEADER RFCB
;
427 SECTION_OBJECT_POINTERS SectionObjectPointers
;
429 PFILE_OBJECT FileObject
;
432 WCHAR
*ObjectName
; /* point on filename (250 chars max) in PathName */
433 WCHAR PathName
[MAX_PATH
]; /* path+filename 260 max */
435 ERESOURCE PagingIoResource
;
436 ERESOURCE MainResource
;
438 LIST_ENTRY FcbListEntry
;
439 struct _FCB
* ParentFcb
;
449 FILENAME_ATTRIBUTE Entry
;
451 } NTFS_FCB
, *PNTFS_FCB
;
453 extern PNTFS_GLOBAL_DATA NtfsGlobalData
;
455 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
456 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
462 //NtfsDumpAttribute(PATTRIBUTE Attribute);
465 DecodeRun(PUCHAR DataRun
,
466 LONGLONG
*DataRunOffset
,
467 ULONGLONG
*DataRunLength
);
470 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord
);
472 PSTANDARD_INFORMATION
473 GetStandardInformationFromRecord(PFILE_RECORD_HEADER FileRecord
);
476 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord
, UCHAR NameType
);
479 GetBestFileNameFromRecord(PFILE_RECORD_HEADER FileRecord
);
484 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject
,
485 IN LONGLONG StartingOffset
,
488 IN OUT PUCHAR Buffer
,
489 IN BOOLEAN Override
);
492 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject
,
494 IN ULONG SectorCount
,
496 IN OUT PUCHAR Buffer
,
497 IN BOOLEAN Override
);
500 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject
,
501 IN ULONG ControlCode
,
502 IN PVOID InputBuffer
,
503 IN ULONG InputBufferSize
,
504 IN OUT PVOID OutputBuffer
,
505 IN OUT PULONG OutputBufferSize
,
506 IN BOOLEAN Override
);
512 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt
,
513 PFILE_OBJECT FileObject
);
515 DRIVER_DISPATCH NtfsFsdClose
;
517 NtfsFsdClose(PDEVICE_OBJECT DeviceObject
,
523 DRIVER_DISPATCH NtfsFsdCreate
;
525 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject
,
531 DRIVER_DISPATCH NtfsFsdDeviceControl
;
533 NtfsFsdDeviceControl(PDEVICE_OBJECT DeviceObject
,
539 DRIVER_DISPATCH NtfsFsdDirectoryControl
;
541 NtfsFsdDirectoryControl(PDEVICE_OBJECT DeviceObject
,
547 DRIVER_DISPATCH NtfsFsdDispatch
;
549 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject
,
556 NtfsAcqLazyWrite(PVOID Context
,
560 NtfsRelLazyWrite(PVOID Context
);
563 NtfsAcqReadAhead(PVOID Context
,
567 NtfsRelReadAhead(PVOID Context
);
573 NtfsCreateFCB(PCWSTR FileName
,
577 NtfsDestroyFCB(PNTFS_FCB Fcb
);
580 NtfsFCBIsDirectory(PNTFS_FCB Fcb
);
583 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb
);
586 NtfsFCBIsRoot(PNTFS_FCB Fcb
);
589 NtfsGrabFCB(PNTFS_VCB Vcb
,
593 NtfsReleaseFCB(PNTFS_VCB Vcb
,
597 NtfsAddFCBToTable(PNTFS_VCB Vcb
,
601 NtfsGrabFCBFromTable(PNTFS_VCB Vcb
,
605 NtfsFCBInitializeCache(PNTFS_VCB Vcb
,
609 NtfsMakeRootFCB(PNTFS_VCB Vcb
);
612 NtfsOpenRootFCB(PNTFS_VCB Vcb
);
615 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb
,
617 PFILE_OBJECT FileObject
);
620 NtfsGetFCBForFile(PNTFS_VCB Vcb
,
621 PNTFS_FCB
*pParentFCB
,
623 const PWSTR pFileName
);
626 NtfsReadFCBAttribute(PNTFS_VCB Vcb
,
636 DRIVER_DISPATCH NtfsFsdQueryInformation
;
638 NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject
,
644 DRIVER_DISPATCH NtfsFsdFileSystemControl
;
646 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject
,
652 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context
);
655 ReadAttribute(PDEVICE_EXTENSION Vcb
,
656 PNTFS_ATTR_CONTEXT Context
,
662 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord
);
665 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord
);
668 ReadFileRecord(PDEVICE_EXTENSION Vcb
,
670 PFILE_RECORD_HEADER file
);
673 FindAttribute(PDEVICE_EXTENSION Vcb
,
674 PFILE_RECORD_HEADER MftRecord
,
678 PNTFS_ATTR_CONTEXT
* AttrCtx
);
681 ReadVCN(PDEVICE_EXTENSION Vcb
,
682 PFILE_RECORD_HEADER file
,
689 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb
,
690 PNTFS_RECORD_HEADER Record
);
693 ReadLCN(PDEVICE_EXTENSION Vcb
,
699 EnumerAttribute(PFILE_RECORD_HEADER file
,
700 PDEVICE_EXTENSION Vcb
,
701 PDEVICE_OBJECT DeviceObject
);
704 NtfsLookupFile(PDEVICE_EXTENSION Vcb
,
705 PUNICODE_STRING PathName
,
706 PFILE_RECORD_HEADER
*FileRecord
,
707 PNTFS_ATTR_CONTEXT
*DataContext
,
708 PULONGLONG MFTIndex
);
711 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb
,
712 PUNICODE_STRING PathName
,
713 PFILE_RECORD_HEADER
*FileRecord
,
714 PNTFS_ATTR_CONTEXT
*DataContext
,
716 ULONGLONG CurrentMFTIndex
);
719 NtfsFindFileAt(PDEVICE_EXTENSION Vcb
,
720 PUNICODE_STRING SearchPattern
,
722 PFILE_RECORD_HEADER
*FileRecord
,
723 PNTFS_ATTR_CONTEXT
*DataContext
,
725 ULONGLONG CurrentMFTIndex
);
730 NtfsIsIrpTopLevel(PIRP Irp
);
733 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject
,
737 NtfsGetUserBuffer(PIRP Irp
);
741 wstrcmpjoki(PWSTR s1
, PWSTR s2
);
744 CdfsSwapString(PWCHAR Out
,
750 NtfsFileFlagsToAttributes(ULONG NtfsAttributes
,
751 PULONG FileAttributes
);
756 DRIVER_DISPATCH NtfsFsdRead
;
758 NtfsFsdRead(PDEVICE_OBJECT DeviceObject
,
761 DRIVER_DISPATCH NtfsFsdWrite
;
763 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject
,
770 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt
);
773 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
776 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
781 DRIVER_INITIALIZE DriverEntry
;
785 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject
);